Bug 1615907 - Fix the searchbox focus with the default theme. r=aleca

mail/themes/linux/mail/searchBox.css

@@ -40,8 +40,10 @@
   margin: 0 3px;
 }
 
+.gloda-search:focus,
 .searchBox[focused="true"],
-.themeableSearchBox[focused="true"] {
+.themeableSearchBox:not([disabled="true"]):focus,
+.themeableSearchBox:not([disabled="true"])[focused="true"] {
   border-color: Highlight;
 }
 

mail/themes/osx/mail/searchBox.css

@@ -27,8 +27,10 @@
 }
 
 /* special treatment because these boxes are on themable toolbars */
+.gloda-search:focus,
 .searchBox[focused="true"],
-.themeableSearchBox[focused="true"] {
+.themeableSearchBox:not([disabled="true"]):focus,
+.themeableSearchBox:not([disabled="true"])[focused="true"] {
   border-color: -moz-mac-focusring;
   box-shadow: var(--focus-ring-box-shadow);
 }

mail/themes/windows/mail/searchBox.css

@@ -70,8 +70,10 @@
   margin-bottom: 3px;
 }
 
+.gloda-search:focus,
 .searchBox[focused="true"],
-.themeableSearchBox[focused="true"] {
+.themeableSearchBox:not([disabled="true"]):focus,
+.themeableSearchBox:not([disabled="true"])[focused="true"] {
   border-color: Highlight;
 }